Home / 4,886.05-7,331.50-3,899.87

Finding the Fourth Proportional to 4,886.05, 7,331.50 and 3,899.87

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Solution

The fourth proportional to 4,886.05, 7,331.50 and 3,899.87 is: 5,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.05 : 7,331.50 = 3,899.87 : x
  2. Step 2: Convert to fraction form
    4,886.05/7,331.50 = 3,899.87/x
  3. Step 3: Cross multiply
    4,886.05x = 7,331.50 × 3,899.87
  4. Step 4: Simplify right side
    4,886.05x = 28,591,896.91
  5. Step 5: Solve for x
    x = 28,591,896.91/4,886.05
  6. Step 6: Final answer
    x = 5,851.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.